Question

quantos anagramas começando com consoante a palavra "torta" possuí?​

Answer 1

$\large\boxed{\begin{array}{l}\underline{\sf comec_{\!\!,}ando\,pela\,letra\,r}\\\rm P_4^2=\dfrac{4!}{2!}=\dfrac{4\cdot3\cdot\diagdown\!\!\!\!\!2!}{\diagdown\!\!\!2!}=12\,anagramas\\\underline{\sf comec_{\!\!,}ando\,por\,t:}\\\rm P_4=4!=4\cdot3\cdot2\cdot1=24\\\rm ao\,todo\,teremos\\\rm 24+12=36\,anagramas\end{array}}$